Network communication method for carrying out load division

A technology of network load and communication method, applied in the field of network communication

Inactive Publication Date: 2008-07-30
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] Therefore, aiming at the above-mentioned problems in the prior art, the object of the present invention is to provide such a system and method, which can not only realize the load sharing and redundant backup of the gateway, but also solve the problem that the host needs to configure multiple gateway addresses

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  • Network communication method for carrying out load division
  • Network communication method for carrying out load division
  • Network communication method for carrying out load division

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Embodiment Construction

[0033] reference Figure 4 Examples of embodiments of the present invention are described in detail. First, it should be noted that in the present invention, the concept of the main gateway and the backup gateway is substantially different from the concept of the prior art. This is because, in the prior art, the active gateway provides services for hosts in the local area network, while the standby gateway is in an idle state. In the present invention, the difference between the active gateway and the standby gateway is only that the active gateway has a control function and the standby gateway does not, but both the active gateway and the standby gateway are providing services for the host. This will be reflected in the following description of the embodiments of the present invention.

[0034] This embodiment configures the same virtual gateway address for the hosts in the local area network, which is obviously different from the above-mentioned prior art. Such as Figure 4 As sh...

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Abstract

Communication method having the function of partaking the network load The invention disclosed a network communication method that had the function of partaking the network load for the communication network which included the host of WAN (wide area network), LAN (local area network) and a plurality of gateways connecting the said WAN and LAN, the method include: configured all gateways which had the same virtual IP address and the different virtual MAC address, and configured the virtual IP address as the gateway address of each LAN host, when the LAN host transmitted message to WAN broadcast transmitting the ARP request for all gateways ; determined the gateway providing service based on the state of each current gateway, and made the response to the said ARP request using the virtual address of the gateway determined ; after the LAN host obtained the MAC address of the gateway determined, Ethernet network packaging the transmitted message using the virtual MAC address in the response, and transmitted it to the gateway which was determined providing service so as to forward . Adopting the method, not only implementing the function of partaking the network load and the redundance backup, but also resolving the problem that the host need configure a plurality of gateways.

Description

Invention field [0001] The present invention generally relates to network communication technology, and in particular to a network communication system with network load sharing function and a method thereof, which can provide load sharing and redundant backup functions for a host of a local area network to transmit data between multiple gateways and a wide area network. Background technique [0002] At present, with the development of network communication technology based on TCP / IP (Transmission Control Protocol and Internet Protocol), people's requirements for network communication systems are also increasing. figure 1 It is a block diagram of a typical network communication system. Such as figure 1 As shown, the system consists of a local area network including multiple hosts, a wide area network, and a gateway for connecting the local area network and the wide area network. Hosts in the local area network can access the wide area network through multiple gateways. However,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/28H04L12/66H04L29/06H04L12/24H04Q3/00H04L12/801H04L12/803
CPCH04L47/10H04L47/125
Inventor 闫长江马达雷文阳
Owner HUAWEI TECH CO LTD
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